Tambaan, Alam Fahri, et al. “Kajian Motivasi Belajar Dalam Pembelajaran Berbasis Masalah (Problem Based Learning) Di SMP Negeri 2 Passi Desa Bintau Kecamatan Passi Kabupaten Bolaang Mangondouw”. Contemporary Education Review, vol. 1, no. 1, Feb. 2025, pp. 39-48, http://journal.discourseonline.id/index.php/cer/article/view/195.